package com.example.provider.config;

import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.BindingBuilder;
import org.springframework.amqp.core.DirectExchange;
import org.springframework.amqp.core.Queue;
import org.springframework.amqp.support.converter.Jackson2JsonMessageConverter;
import org.springframework.beans.factory.annotation.Configurable;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class MqConfig {

    // durable:是否持久化,默认是false,持久化队列：会被存储在磁盘上，当消息代理重启时仍然存在，暂存队列：当前连接有效
    // exclusive:默认也是false，只能被当前创建的连接使用，而且当连接关闭后队列即被删除。此参考优先级高于durable
    // autoDelete:是否自动删除，当没有生产者或者消费者使用此队列，该队列会自动删除。
    //   return new Queue("TestDirectQueue",true,true,false);
    @Bean
    public Queue TestDirectQueue(){
        return new Queue("TestDirectQueue", true);
    }

    @Bean
    public DirectExchange TestDirectExchange(){
        return new DirectExchange("TestDirectExchange", true, true);
    }

    @Bean
    public Binding bindingDirect(Queue TestDirectQueue, DirectExchange TestDirectExchange){
        return BindingBuilder.bind(TestDirectQueue).to(TestDirectExchange).with("TestDirectRouting");
    }

    @Bean
    DirectExchange lonelyDirectExchange() {
        return new DirectExchange("lonelyDirectExchange");
    }

    @Bean
    public Jackson2JsonMessageConverter jsonMessageConverter() {
        return new Jackson2JsonMessageConverter();
    }
}
